Running Server without monitor causes crash - help needed to identify cause
Hi,
I hope the server forum is the best match for my post, otherwise please redirect me. I have a Fedora 12 Desktop machine running at a remote site and have no keyboard not a screen connected to it. After rebooting it remotely I was surprised to learn the machine did not come back up again. (It did when I tested it while I was on site). I have now look at the logs and 'messages' seem to point to gdm: Apr 9 11:51:34 newcastle NetworkManager: <info> (eth0): device state change: 1 -> 2 Apr 9 11:51:34 newcastle NetworkManager: <info> (eth0): bringing up device. Apr 9 11:51:35 newcastle kernel: ADDRCONF(NETDEV_UP): eth0: link is not ready Apr 9 11:51:35 newcastle NetworkManager: <info> (eth0): preparing device. Apr 9 11:51:35 newcastle NetworkManager: <info> (eth0): deactivating device (reason: 2). Apr 9 11:51:35 newcastle gdm-binary[2074]: WARNING: GdmDisplay: display lasted 1.091233 seconds Apr 9 11:51:35 newcastle gdm-binary[2074]: WARNING: GdmDisplay: display lasted 0.477726 seconds Apr 9 11:51:36 newcastle gdm-binary[2074]: WARNING: GdmDisplay: display lasted 0.474680 seconds Apr 9 11:51:36 newcastle gdm-binary[2074]: WARNING: GdmDisplay: display lasted 0.474904 seconds Apr 9 11:51:37 newcastle gdm-binary[2074]: WARNING: GdmDisplay: display lasted 0.475090 seconds After this the message log stops and the machine turned itself off. In the gdm log I see something like this: (II) intel(0): I2C bus "HDMIDDC_C" initialized. (II) intel(0): HDMI output 2 detected (II) intel(0): EDID for output VGA (II) intel(0): EDID for output HDMI-2 (II) intel(0): Output VGA disconnected (II) intel(0): Output HDMI-2 disconnected (WW) intel(0): No outputs definitely connected, trying again... (II) intel(0): Output VGA disconnected (II) intel(0): Output HDMI-2 disconnected (WW) intel(0): Unable to find initial modes (EE) intel(0): No valid modes. (II) Unloading /usr/lib/xorg/modules//libvgahw.so (EE) Screen(s) found, but none have a usable configuration. Fatal server error: no screens found So my question is - should it not be possible to startup the system without a monitor plugged in? How can I get closer to finding out if this is a gdm issue or something else? I guess I could just boot in run level 3, but I would prefer it if the staff at the remote site could plug in a monitor if needed. Thanks in advance, Soren |
It is possible to boot without a monitor. What I did is forced it to boot in command line mode, and added a line in my inittab file that started getty on the serial port. That way you can login locally if you need, but without a screen connected. You can even use the "console" option with Linux and get it to log startup messages to that serial port.
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Yes I realize you can boot without a monitor - the problem seems to be with gdm crashing on my particular Optiplex machine when no monitor is connected. I have network access so no need for serial port connection. Regards Soren |
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